Spot Forecast
Issued by NWS Pendleton, OR

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901
FNUS76 KPDT 171235
FWSPDT

Spot Forecast for Starvation Flat...Yakama Agency
National Weather Service Pendleton OR
535 AM PDT Fri Oct 17 2025

Forecast is based on ignition time of 0600 PDT on October 17.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***
***Ventilation Index is derived from the
   transport wind multiplied by the mixing
   height in 100`s of feet. Index categories
   are a generalized indicator only.***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

.DISCUSSION...A weak system moving over the region today will
produce strong west winds across the burn area by 9AM and through
the early evening. Light winds overnight and tomorrow morning with
southwest winds developing into the afternoon. RHs will dip into
the mid 30s both days, with a 25-45% chance of RHs dropping into
the mid 20s with dry air behind a frontal passage this afternoon.
Overnight recovery will be good to excellent.

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    sunny (10-20 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Max temperature.....59-62.
Min humidity........32-37 percent.
Wind (20 ft)........West winds 5 to 10 mph increasing to 10 to 17
mph with gusts up to 25 mph after 9AM.
Ridgetop wind.......West winds 7 to 12 mph increasing to 12 to 20
mph with gusts up to 29 mph after 9AM.
Mixing height.......2200 ft AGL early in the morning.
Transport winds.....West 12 to 21 mph.
Ventilation Index...Poor (40) increasing to fair (390) in the
                    afternoon.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Chc of ltng (%).0      0      0      0      0      0
Temp............38     38     51     57     59     56
RH..............97     99     70     52     37     38
20 ft wind......W 8    W 8    W 13   W 16   W 16   W 14
20 ft wind gust.15     19     22     23     27     22

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 30.
Max humidity........80-85 percent.
Wind (20 ft)........West winds 9 to 14 mph decreasing to 5 to 10 mph
after 7PM, the shifting to the southwest 3 to 6 mph
after 10PM, then becoming light drainage winds
after 2AM.
Ridgetop wind.......West winds 10 to 17 mph with gusts to around 25 mph
decreasing to 5 to 10 mph after 7PM, then becoming
variable light winds after 11PM.
Mixing height.......500 ft AGL early in the evening.
Transport winds.....West 8 to 13 mph shifting to the southwest
                    around 5 mph late in the evening.
Ventilation Index...Poor (30).

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent). Chance of rain
                    showers late in the afternoon.
CWR.................5 percent.
Chance of lightning.0 percent.
Max temperature.....Around 60.
Min humidity........31-36 percent.
Wind (20 ft)........Light drainage winds becoming southwest 4 to 7 mph
after 10AM.
Ridgetop wind.......Variable light winds becoming southwest winds
5 to 10 mph after 10AM.
Mixing height.......1100 ft AGL late in the morning.
Transport winds.....Southwest 5 to 10 mph.
Ventilation Index...Poor (30) increasing to poor (60) in the
                    afternoon.

$$
Forecaster...Lawhorn
Requested by...Dan Sims
Type of request...PRESCRIBED
.TAG 2523507.3/PDT
.DELDT 10/17/25
.FormatterVersion 2.0.0
.EMAIL Dan_sims@yakama.com